Last Retort

The write stuff

22 July 2016 Last Retort

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2B or not 2B? Pondering the chemistry of the humble pencil


Flashback

Flashback: 40 years ago

22 July 2016 Flashback

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Jeremy Sanders received the Meldola Medal for his work in organic chemistry

Puzzles

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Download the July set of puzzles

The winners of this month's puzzles will be published next month. For a chance to a £25 book voucher, please send your completed puzzles by 15 July.

Chemistry World Puzzle Answers
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